Sony PCS-TL50 Operating Instructions Manual page 254

Message
Router is not supported. (Port mapping
failed)
Cannot communicate through SIP. (Port
mapping failed)
There are no open ports. Confirm the
router's port settings.
Failing to automatically configure NAT
settings.
Cannot execute the Function Extension
Command because the setting for use of the
SIP server is enabled.
Rejected by server.
Authentication error.
Cannot connect. Please try again later.
Router is not supported. (Port mapping
delete failed)
Unable to communicate. (Port
mappingfailed)
Communication with UPnP is not
available.(Timeout)
Communication with UPnP is not available.
(Busy)
Communication with UPnP is not available.
(Internal error)
254
On Screen Messages
Meaning
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.
When using IPELA VC Link, make sure to disable
the SIP server setting.
The call was disconnected by the remote party.
Check the ID and password.
Try calling again later.
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.